| Cities | Distance |
|---|---|
| Calais to Opwijk | 101.27 mi (162.99 km) |
| Calais to Ostend | 49.96 mi (80.41 km) |
| Calais to Oud-Heverlee | 122.73 mi (197.52 km) |
| Calais to Oud-Turnhout | 137.93 mi (221.98 km) |
| Calais to Oudenaarde | 76.28 mi (122.76 km) |
| Calais to Oudenburg | 52.25 mi (84.08 km) |
| Calais to Oupeye | 166.07 mi (267.27 km) |
| Calais to Overijse | 117.28 mi (188.74 km) |
| Calais to Overpelt | 155.63 mi (250.46 km) |
| Calais to Paal | 144.35 mi (232.31 km) |
| Calais to Peer | 156.78 mi (252.31 km) |
| Calais to Pepinster | 175.07 mi (281.75 km) |
| Calais to Peruwelz | 81.19 mi (130.66 km) |
| Calais to Perwez | 131.15 mi (211.07 km) |
| Calais to Philippeville | 128.99 mi (207.59 km) |